Blank insert for keystone wall plates. Use to cover unused holes and remove when ready for expansion. *Monoprice continually strives to improve its product line to bring our customers the best products available. Therefore, changes may be made to listed specifications without prior notice. Item received may not match photo or specs shown. The color indicated can vary in tone and/or hue between production runs and manufacturing facilities. The color of this item may not be an exact match to any other product, even if they are indicated as being the same color, whether sold by Monoprice or any other vendor. Individual pieces may also vary very slightly in color from each other.